Bioaugmentation Potential Investigation Using a Phenol Affinity Analysis of Three Acinetobacter Strains in a Multi-Carbon-Source Condition

Bioaugmentation potential and phenol substrate affinity in a multi-carbon-source condition for three Acinetobacter strains (Acinetobacter towneri CFII-87, johnsonii CFII-99A sp. CFII-98) were demonstrated. First, the biodegradation ability of was analyzed batch experiments with as sole carbon source. All degraded at 100 500 mg·L−1 initial concentrations; maximum specific growth rates 0.59 0.30 d−1 A. 0.50 0.20 CFII-99A, 0.64 0.29 CFII-98, respectively. For two tested concentrations, no lag phase observed CFII-87 strain, CFII-98 presented 4 h 8 phase, while 3 12 phases. Phenol source dependency (on phenol-rich synthetic wastewater), both individual consortium prepared an equal mixture strains. The consortia 16 there other significant consumption during 48 trial, shown by constant non-phenolic residual chemical oxygen demand (COD) volatile suspended solids (VSS) concentration after depletion phenol. strain however, consumed within 24 further decrease COD increase biomass also upon highest removal rate 282.11 mg phenol·g VSS∙h−1 case followed 178.84, 146.76 141.01 VSS∙h−1, Two bacterial (A. strong to phenol, utilizing it primary source, thus, their use bioaugmentation wastewater bioreactors indicated viable these systems.